Home / 4,650.45-6,417.72-2,661.21

Finding the Fourth Proportional to 4,650.45, 6,417.72 and 2,661.21

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Solution

The fourth proportional to 4,650.45, 6,417.72 and 2,661.21 is: 3,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.45 : 6,417.72 = 2,661.21 : x
  2. Step 2: Convert to fraction form
    4,650.45/6,417.72 = 2,661.21/x
  3. Step 3: Cross multiply
    4,650.45x = 6,417.72 × 2,661.21
  4. Step 4: Simplify right side
    4,650.45x = 17,078,900.64
  5. Step 5: Solve for x
    x = 17,078,900.64/4,650.45
  6. Step 6: Final answer
    x = 3,672.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.